. >> reporter: to say nicole banks is a dog lover would be an understatement. so when she was told by her husband their dog juno was killed by a car, her heart was broken. >> this was my dog. i was a mess. it was maybe a month before christmas. >> reporter: in truth, her husband lied. he gave the dog away. they eventually divorced. >> i love you. >> reporter: life went on, but banks often thought of her dog juno. >> at least three or four times i'd seen a dog that reminded me of juno and my heart just broke all over again because, of course, i'm thinking he's dead and i thought man, i wonder what he'd be to us now. >> reporter: she never dreamed she would see juno again, but thanks to modern technology and this, a microchip, the unthinkable happened. somebody brought juno to the buddy center in castle rock. >> i looked at the microship, scanned it, saw he was microchipped and it was registered to somebody totally than who had the dog. >> reporter: but they did find nicole's name and gave her a call. >> i almost dropped the phone because i wasn't sure if i was a